hit me like a bolt of lightning?!....most M1 Mac Thunderbolt ports don’t support USB 3.1 Gen 2....

[anonymouse1]

Well, the Thunderbolt ports on my M1 Mini work fine, as I recall-I'll double check after work.

I'd be leery of the USB4 Thunderbolt cable. I wonder what would happen if he used just a plain USB 3.2 cable....